Of-hreósan

According to the Old English Dictionary:

of-hreósan

I. to overwhelm, cover, bury; obrnere :-- Oft eorþ-styrung fela burhga ofhreás, Homl. Th. i. 608, 26. Ðæt ne ða sleacgi-endan hé (sompnolentia) ofhreóse (obruat), Hymn. Surt. 18, 15. Swylce hé sý mid moldhýpan ofhroren. Homl. Th. i. 492, 33. Sume (martyrs) mid stánum ofhrorene, 542, 30. Mid sande ofhrorene operti humo Num. 16, 33. Ofhrorenne obrutum, Hpt. Gl. 487, 25. Ofrorene obruti, 506, 7: obrutos, 478, 77. II. to fall down: -- Heofonas berstaþ, tungol of hreósaþ. Exon. Th. 58, 12 ; Cri. of-hreosan